- Companies
- Property developers
- Stockton-on-Tees
- Subzero (Middlehaven) Ltd
Subzero (Middlehaven) Ltd
- Company number
- 11799860
- Incorporated
- 31 Jan 20197 years trading
- Registered office
- 28 Scampton Close, Thornaby, Stockton-on-Tees, TS17 0LH
- Nature of business
- Development of building projects
Subzero (Middlehaven) Ltd is a 7-year-old private limited company registered in Stockton-on-Tees, company number 11799860, one of 72 property development companies in Stockton-on-Tees. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets unchanged on the year before, at £53K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £334K against £186K owed within a year: 1.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £53K | £334K | £186K | 0 | |
| 31 Jan 2024 | £53K | £334K | £186K | 0 | |
| 31 Jan 2023 | -£52K | £212 | £335K | £186K | 2 |
| 31 Jan 2022 | -£52K | £212 | £335K | £186K | 1 |
| 31 Jan 2021 | £637 | £15K | £370K | £183K | 1 |
| 31 Jan 2020 | -£7,624 | £15K | £174K | £12K | 1 |
Where Subzero (Middlehaven) Ltd is registered
The registered office is in Stockton-on-Tees (TS17), in the Stockton-on-Tees local authority area, North East. Show TS17 0LH on a map.
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What happens if Subzero (Middlehaven) Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 11799860
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2019 (7 years ago)
- Registered office
- 28 Scampton Close, Thornaby, Stockton-on-Tees, TS17 0LH
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 18 April 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Stockton-on-Tees
Other active property development companies registered in Stockton-on-Tees.
- Tadas Building Services Ltd2016
- Tees Haven Limited2025
- Teesside International (North) Limited2019
- Trinity Maintenance Group Ltd2026
- Tyrala Property Limited2022
- Unite Investments (UK) Ltd2020
- Urban Evolution Ltd2005
- West Acres Park Limited2014
All property development companies in Stockton-on-Tees · All trades in Stockton-on-Tees · Property developers across the UK
Frequently asked questions
When are Subzero (Middlehaven) Ltd's accounts due?
Subzero (Middlehaven) Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Subzero (Middlehaven) Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Subzero (Middlehaven) Ltd still trading?
Subzero (Middlehaven) Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Subzero (Middlehaven) Ltd do?
Subzero (Middlehaven) Ltd is registered under Development of building projects (SIC 41100).
How old is Subzero (Middlehaven) Ltd?
Subzero (Middlehaven) Ltd was incorporated on 31 January 2019, 7 years ago.
What is the penalty if Subzero (Middlehaven) Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Subzero (Middlehaven) Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.